Swelling Joint Sealant SikaSwell S-2

One-component polyurethane pulp that expands on contact with water. SikaSwell® S-2 works as a spray-able joining strip, and can be used in most non-moving joints, e.g. connections between newly-case concrete and old concrete during renovations, connection of old and new construction, sealing of gaps in concrete pipes and well-rings, sealing of casting joints in very tight reinforcements, connection of different materials such as steel to concrete, stone to concrete, etc., sealing of prefab joints in underground work, sealing of joints with rough surfaces, fixing of SikaSwell profiles and Sika Injectoflex. Hazard labelling: irritant.